What is the difference in illiterate population, 25-64 years, both sexes between Chad and IDA blend?

74.88 million number, with IDA blend ahead.

How many years of comparable data are there for Chad and IDA blend?

5 years are reported by both, from 1993 to 2016.

Where does this data come from?

UNESCO Institute for Statistics, published as Illiterate population, 25-64 years, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs IDA blend: Illiterate population, 25-64 years, both sexes

Chad

3.50 million number

in 2016

IDA blend

78.38 million number

in 2019

Chad rank

19th

IDA blend rank

18th

Illiterate population, 25-64 years, both sexes over time

Chad
IDA blend

How they compare

IDA blend currently reports 78.38 million number against 3.50 million number in Chad, a difference of 74.88 million number.

That makes IDA blend's figure about 22.4 times Chad's.

Across all 5 years both countries report, IDA blend has been ahead every year.

Chad ranks 19th and IDA blend ranks 18th of 83 countries.

IDA blend has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Chad	IDA blend	Difference	Ahead
1990s	1.81 million number	49.31 million number	47.51 million number	IDA blend
2000s	2.02 million number	57.84 million number	55.82 million number	IDA blend
2010s	3.39 million number	74.46 million number	71.07 million number	IDA blend

Averages of every year both report within each decade.

Frequently asked questions

Which has higher illiterate population, 25-64 years, both sexes, Chad or IDA blend?: IDA blend, at 78.38 million number against 3.50 million number in Chad as of 2019.
What is the difference in illiterate population, 25-64 years, both sexes between Chad and IDA blend?: 74.88 million number, with IDA blend ahead.
How many years of comparable data are there for Chad and IDA blend?: 5 years are reported by both, from 1993 to 2016.
How do Chad and IDA blend rank globally for illiterate population, 25-64 years, both sexes?: Chad ranks 19th and IDA blend ranks 18th of 83 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Illiterate population, 25-64 years, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs IDA blend: Illiterate population, 25-64 years, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 20 August 2026, from https://reference.statizoid.com/compare/illiterate-population-25-64-years-both-sexes-number/chad/ida-blend/

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<a href="https://reference.statizoid.com/compare/illiterate-population-25-64-years-both-sexes-number/chad/ida-blend/">Chad vs IDA blend: Illiterate population, 25-64 years, both sexes</a> — Statizoid

About this data

Indicator: Illiterate population, 25-64 years, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 122 places, 2,239 data points, 1970–2019
Last refreshed: 07 August 2026

Total number of adults from age 25 to age 64 who cannot both read and write with understanding a short simple statement on their everyday life.